33113121123312 has 40 divisors (see below), whose sum is σ = 95046921744080. Its totient is φ = 11037707040960.

The previous prime is 33113121123311. The next prime is 33113121123323. The reversal of 33113121123312 is 21332112131133.

33113121123312 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 312 + 1 + 12 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113121123311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38325371239 + ... + 38325372102.

It is an arithmetic number, because the mean of its divisors is an integer number (2376173043602).

Almost surely, 2^{33113121123312} is an apocalyptic number.

It is an amenable number.

33113121123312 is an abundant number, since it is smaller than the sum of its proper divisors (61933800620768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33113121123312 is a wasteful number, since it uses less digits than its factorization.

33113121123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76650743358 (or 76650743346 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 33113121123312 its reverse (21332112131133), we get a palindrome (54445233254445).

The spelling of 33113121123312 in words is "thirty-three trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-three thousand, three hundred twelve".